Home / 1,445,044.95-2,158,778.45-935,454.51

Finding the Fourth Proportional to 1,445,044.95, 2,158,778.45 and 935,454.51

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Solution

The fourth proportional to 1,445,044.95, 2,158,778.45 and 935,454.51 is: 1,397,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,044.95 : 2,158,778.45 = 935,454.51 : x
  2. Step 2: Convert to fraction form
    1,445,044.95/2,158,778.45 = 935,454.51/x
  3. Step 3: Cross multiply
    1,445,044.95x = 2,158,778.45 × 935,454.51
  4. Step 4: Simplify right side
    1,445,044.95x = 2,019,439,032,466.04
  5. Step 5: Solve for x
    x = 2,019,439,032,466.04/1,445,044.95
  6. Step 6: Final answer
    x = 1,397,492.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.